UE压力开关H100-171（US UE pressure switch H100-171 spot ）

US UE pressure switch H100-171  UE product advantages: ◆ Complete product range1/ Pressure switch adjustable range from -0.1 to 62MPA2/ Temperature switch from -50 to 538 degrees Celsius3/ Differential pressure switch adjustable range from -0.1 Up to 3.45MPA3/ There are three types of sensing elements: diaphragm, bellows, and piston4/ There are switches for special occasions, and there are small and low-cost switches specially designed for OEM users5/ Both fixed dead zone and adjustable dead zone Zone pressure switch6/ Some mechanical differential pressure and temperature switches can have on-site indication7/ There are 2-inch pressure interface anti-blocking switches and sanitary flat diaphragm switchesTheproduct is compact in structure, durable in use, beautiful in appearance and fine in processing.Welded stainless steel design structureMany models of pressure switches use welded stainless steel diaphragm or welded stainless steel bellows structure, omitting the "O" ring, this leak-free design improves the fire performance in hazardous explosion-proof areas, and at the same time improves the pressure resistance sex. Features ● Meet UL list and cUL certification and CE standards● Single point output (SPDT or DPDT)● Welded stainless steel diaphragm● Water column level low pressure and differential pressure switch● A variety of optional sensing materials can meet various corrosivenessMedium requirements● Smooth stainless steel sanitary interface● Very wide adjustable dead zone to meet the needs of pumps Troubleshooting 1. Fault phenomenon:  The pressure switch has no output signal Reason analysis: (1) The micro switch is damaged (2) The switch setting value is adjusted too high (3) The wire contact connected to the micro switch is not connected properly (4) The pressure-sensitive part is poorly assembled and stuck (5) The pressure sensitive element is damaged Solution: (1) Replace the micro switch (2) Adjust to the appropriate setting value (3) Reconnect to make good contact (4) Reassembled to make the action sensitive (5) Replace the pressure sensitive element 2. Fault phenomenon:  poor sensitivity of pressure switch Cause Analysis (1) Poor assembly / excessive friction of transmission mechanism (rod or plunger, etc.) (2) The contact stroke of the micro switch is too long (3) Improper adjustment of adjustment screws, ejector rods, etc. (4) Improper installation, such as uneven and inclined Install workaround: (1) Reassembled to make the action sensitive (2) Reasonably adjust the contact stroke of the micro switch (3) Reasonably adjust the position of the nail and ejector rod (4) Changed to vertical or horizontal installation 3. Fault phenomenon: Pressure switch signaling too fast Cause Analysis (1) The oil inlet damping hole is large (2) The isolation diaphragm is broken (3) The impact pressure of the system is too large (4) The design of the electrical system is wrong Solution (1) The damping hole should be appropriately reduced, or a damping tube should be added to the control pipeline (2) Replace the isolation diaphragm (3) Add a damper tube to the control pipeline to reduce the impact pressure (4) Design the electrical system according to the process requirements 

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